/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Element-wise subtraction of two linear colors (R-R, G-G, B-B, A-A)
static [FLinearColor](API\Runtime\Core\Math\FLinearColor) Subtract_LinearColorLinearColor ( [FLinearColor](API\Runtime\Core\Math\FLinearColor) A, [FLinearColor](API\Runtime\Core\Math\FLinearColor) B )